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iVinArrow [24]
2 years ago
8

The high school asked Amanda to paint a few murals around the school. Her mural in the cafeteria will show a ray of sunlight bre

aking through storm clouds. To create the perfect gray paint for storm clouds, Amanda models the proportional relationship between the number of cans of black paint, x, and the number of cans of white paint, y, with the equation y = 2x. If Amanda used 5 cans of white paint, how many cans of black paint did she use? A) 1 1 2 B) 2 C) 2 1 2 D) 5
Mathematics
2 answers:
natita [175]2 years ago
7 0

Answer:

A

Step-by-step explanation:

aliya0001 [1]2 years ago
5 0

She used 2\frac{1}{2} cans of black paint.

Step-by-step explanation:

Given,

Number of cans of black paint = x

Number of cans of white paint = y

Given equation;

y=2x    Eqn 1

Amanda used 5 cans of white paint, therefore,

y=5

Putting in Eqn 1

5=2x\\2x=5

Dividing both sides by 2

\frac{2x}{2}=\frac{5}{2}

Writing in fraction form;

x=2\frac{1}{2}

She used 2\frac{1}{2} cans of black paint.

Keywords: fraction, division

Learn more about fractions at:

  • brainly.com/question/10435816
  • brainly.com/question/10435836

#LearnwithBrainly

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<em>Comment on the question</em>

This seems to be a math problem designed to get you to figure the perimeter of the room. If you were actually installing wallpaper, you might want to cut the border in four (4) pieces, each slightly longer than the corresponding wall. That way any lack of squareness in the corners could be managed more easily, and the possibility of a gap at the seam could be eliminated.

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snow_lady [41]

Answer:

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Step-by-step explanation:

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